"As a country, we need to be far more mature about this. Less hushed tones, less whispering; more frank and open discussion.

"We need to take away that shame, that embarrassment, let people know that they're not in this alone, that when the clouds descend, they don't have to suffer silently.

"I want us to be able to say to anyone who is struggling, 'talk to someone, ask your doctor for help and we will always be there to support you'."

6,233

suicides in the UK in 2013

The reforms were recommended by an independent NHS England taskforce, chaired by Paul Farmer, the chief executive of charity Mind, who described them as a "significant moment for mental health".

"The prime minister rightly recognises some key priorities that have been identified by the mental health task-force, which will soon be publishing its full report. Children and young people, pregnant women and new mums, and those in crisis urgently need better services and support.

– Paul Farmer, Mind CEO

The speech also outlined Mr Cameron's vision for tackling poverty and inequality, including plans to boost relationship counselling for troubled families and bulldoze 100 of Britain's worst estates in favour of better quality housing.

On the counselling, Mr Cameron said he himself could have used more advise when raising his children, "the most important job we'll ever have" - adding: "Is it right that all of us get so little guidance?"